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5. A sample of n = 10 automobiles was selected, and each was subjected to a 5-mph crash test. Denoting a car with no visible damage by S (for success) and a car with such damage by F, results were as follow: S F S S S F F S S (a) What is the sample proportion of successes? (b) Replace each s with a 1 and each F with a o. Then calculate x for this numerically coded sample. How does x compare to the sample proportion of successes? (c) Suppose it is decided to include 15 more cars in the experiment. How many of these would have to be S to give a sample proportion of .80 for the entire sample of 25 cars?

5. A sample of n = 10 automobiles was selected, and each was subjected to a 5-mph crash test. Denoting a car with no visible damage by S (for success) and a car with such damage by F, results were as follow: S F S S S F F S S (a) What is the sample proportion of successes? (b) Replace each s with a 1 and each F with a o. Then calculate x for this numerically coded sample. How does x compare to the sample proportion of successes? (c) Suppose it is decided to include 15 more cars in the experiment. How many of these would have to be S to give a sample proportion of .80 for the entire sample of 25 cars?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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5. A sample of n = 10 automobiles was selected, and each was subjected to a 5-mph crash test. Denoting a car with no visible damage by S (for success) and a car with such damage by F, results were as follow: SF S S S F F S S (a) What is the sample proportion of successes? (b) Replace each S with a 1 and each F with a o. Then calculate x for this numerically coded sample. How does x compare to the sample proportion of successes? (c) Suppose it is decided to include 15 more cars in the experiment. How many of these would have to be S to give a sample proportion of .80 for the entire sample of 25 cars?
Transcribed Image Text:5. A sample of n = 10 automobiles was selected, and each was subjected to a 5-mph crash test. Denoting a car with no visible damage by S (for success) and a car with such damage by F, results were as follow: SF S S S F F S S (a) What is the sample proportion of successes? (b) Replace each S with a 1 and each F with a o. Then calculate x for this numerically coded sample. How does x compare to the sample proportion of successes? (c) Suppose it is decided to include 15 more cars in the experiment. How many of these would have to be S to give a sample proportion of .80 for the entire sample of 25 cars?
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